/*
 *  Copyright (c) 2010, Hugo Augusto Alves
 *  All rights reserved.
 * 
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *      * Redistributions of source code must retain the above copyright
 *        notice, this list of conditions and the following disclaimer.
 *      * Redistributions in binary form must reproduce the above copyright
 *        notice, this list of conditions and the following disclaimer in the
 *        documentation and/or other materials provided with the distribution.
 *      * Neither the name of the Hugo Augusto Alves nor the
 *        names of its contributors may be used to endorse or promote products
 *        derived from this software without specific prior written permission.
 * 
 *  THIS SOFTWARE IS PROVIDED BY COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
 *  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *  DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
 *  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 *  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.liteml.parser.elements;

import org.liteml.parser.LiteUtils;
import org.liteml.parser.LiteUtils.Target;

/**
 *
 * @author Hugo
 */
public class LiteLink extends LiteElement {

    private String href = "";
    private String label = null;

    @Override
    public Type getType() {
        return Type.LINK;
    }

    @Override
    public String parse(Target t) {
        switch (t) {
            case HTML:
                StringBuilder sb = new StringBuilder();
                sb.append("<a href=\"");
                sb.append(href);
                sb.append("\">");
                if (label == null) {
                    sb.append(href);
                } else {
                    sb.append(label);
                }
                sb.append("</a>");
                return sb.toString();
            case PLAIN:
            default:
                return this.href;
        }
    }


    public LiteLink(String str) {
        if (str.startsWith(LiteUtils.STR_BEGIN_LINK)) {
            str = str.substring(LiteUtils.STR_BEGIN_LINK.length());
        }
        if (str.endsWith(LiteUtils.STR_END_LINK)) {
            str = str.substring(0, str.length() - LiteUtils.STR_END_LINK.length());
        }

        int index = str.indexOf(LiteUtils.CHAR_SEPARATOR_LINK);
        if (index == -1) {
            this.href = str;
        } else {
            this.label = str.substring(0, index);
            this.href = str.substring(index + 1, str.length());
        }
    }
}
